LLVM
15.0.0git
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#include "Target/ARM/ARMBaseRegisterInfo.h"
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ARMBaseRegisterInfo () | |
unsigned | getOpcode (int Op) const |
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unsigned | BasePtr = ARM::R6 |
BasePtr - ARM physical register used as a base ptr in complex stack frames. More... | |
Definition at line 100 of file ARMBaseRegisterInfo.h.
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Definition at line 57 of file ARMBaseRegisterInfo.cpp.
References llvm::ARM_MC::initLLVMToCVRegMapping().
bool ARMBaseRegisterInfo::cannotEliminateFrame | ( | const MachineFunction & | MF | ) | const |
Definition at line 470 of file ARMBaseRegisterInfo.cpp.
References llvm::MachineFrameInfo::adjustsStack(), llvm::TargetOptions::DisableFramePointerElim(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getTarget(), llvm::MachineFrameInfo::hasVarSizedObjects(), llvm::MachineFrameInfo::isFrameAddressTaken(), and llvm::TargetMachine::Options.
Referenced by llvm::ARMFrameLowering::determineCalleeSaves().
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Definition at line 447 of file ARMBaseRegisterInfo.cpp.
References BasePtr, llvm::TargetRegisterInfo::canRealignStack(), llvm::MachineRegisterInfo::canReserveReg(), llvm::ARMSubtarget::getFramePointerReg(), llvm::MachineFunction::getRegInfo(), llvm::MachineFunction::getSubtarget(), llvm::ARMFrameLowering::hasReservedCallFrame(), and MRI.
Referenced by checkNumAlignedDPRCS2Regs(), and needsFrameBaseReg().
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Definition at line 784 of file ARMBaseRegisterInfo.cpp.
References llvm::ARMII::AddrMode4, llvm::ARMII::AddrMode6, llvm::ARMII::AddrModeMask, llvm::ARMII::AddrModeT2_i7, llvm::ARMII::AddrModeT2_i7s2, llvm::ARMII::AddrModeT2_i7s4, llvm::ARMCC::AL, assert(), llvm::TargetRegisterClass::contains(), llvm::MachineRegisterInfo::createVirtualRegister(), llvm::emitARMRegPlusImmediate(), llvm::emitT2RegPlusImmediate(), llvm::ISD::FrameIndex, llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getInfo(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getRegInfo(), llvm::MachineFunction::getSubtarget(), llvm::ARMFrameLowering::hasReservedCallFrame(), llvm::MachineFrameInfo::hasVarSizedObjects(), llvm::RegScavenger::isScavengingFrameIndex(), llvm::ARMFunctionInfo::isThumb1OnlyFunction(), llvm::ARMFunctionInfo::isThumb2Function(), llvm::ARMFunctionInfo::isThumbFunction(), llvm::Register::isVirtualRegister(), MBB, MI, llvm::ARMFrameLowering::ResolveFrameIndexReference(), llvm::rewriteARMFrameIndex(), llvm::rewriteT2FrameIndex(), and TII.
Referenced by llvm::ThumbRegisterInfo::eliminateFrameIndex().
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emitLoadConstPool - Emits a load from constpool to materialize the specified immediate.
Reimplemented in llvm::ThumbRegisterInfo.
Definition at line 490 of file ARMBaseRegisterInfo.cpp.
References llvm::MachineInstrBuilder::add(), llvm::MachineInstrBuilder::addConstantPoolIndex(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), Align, llvm::BuildMI(), llvm::ConstantInt::get(), llvm::MachineFunction::getConstantPool(), llvm::Function::getContext(), llvm::getDefRegState(), llvm::MachineFunction::getFunction(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::Type::getInt32Ty(), llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getSubtarget(), MBB, MBBI, llvm::predOps(), llvm::MachineInstrBuilder::setMIFlags(), and TII.
Referenced by llvm::ARMFrameLowering::adjustForSegmentedStacks().
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Definition at line 182 of file ARMBaseRegisterInfo.h.
References BasePtr.
Referenced by llvm::ARMFrameLowering::determineCalleeSaves(), llvm::Thumb1FrameLowering::emitPrologue(), and llvm::ARMFrameLowering::ResolveFrameIndexReference().
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Code Generation virtual methods...
Definition at line 63 of file ARMBaseRegisterInfo.cpp.
References llvm::CallingConv::CFGuard_Check, llvm::CallingConv::CXX_FAST_TLS, F, llvm::MachineFunction::getFunction(), llvm::MachineFunction::getInfo(), llvm::MachineFunction::getSubtarget(), llvm::ARMSubtarget::getTargetLowering(), llvm::CallingConv::GHC, llvm::ARMSubtarget::isMClass(), llvm::ARMFunctionInfo::isSplitCSR(), llvm::ARMSubtarget::isTargetDarwin(), llvm::ARMSubtarget::splitFramePushPop(), llvm::ARMTargetLowering::supportSwiftError(), and llvm::CallingConv::SwiftTail.
Referenced by llvm::ARMFrameLowering::determineCalleeSaves().
const MCPhysReg * ARMBaseRegisterInfo::getCalleeSavedRegsViaCopy | ( | const MachineFunction * | MF | ) | const |
Definition at line 115 of file ARMBaseRegisterInfo.cpp.
References assert(), llvm::CallingConv::CXX_FAST_TLS, llvm::Function::getCallingConv(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getInfo(), and llvm::ARMFunctionInfo::isSplitCSR().
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Definition at line 125 of file ARMBaseRegisterInfo.cpp.
References llvm::CallingConv::CFGuard_Check, llvm::CallingConv::CXX_FAST_TLS, llvm::Function::getAttributes(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getSubtarget(), llvm::ARMSubtarget::getTargetLowering(), llvm::CallingConv::GHC, llvm::AttributeList::hasAttrSomewhere(), llvm::ARMSubtarget::isTargetDarwin(), llvm::ARMTargetLowering::supportSwiftError(), and llvm::CallingConv::SwiftTail.
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Definition at line 286 of file ARMBaseRegisterInfo.cpp.
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Definition at line 525 of file ARMBaseRegisterInfo.cpp.
References llvm::ARMII::AddrMode2, llvm::ARMII::AddrMode3, llvm::ARMII::AddrMode5, llvm::ARMII::AddrMode_i12, llvm::ARMII::AddrModeMask, llvm::ARMII::AddrModeT1_s, llvm::ARMII::AddrModeT2_i12, llvm::ARMII::AddrModeT2_i8, llvm::ARMII::AddrModeT2_i8neg, llvm::ARMII::AddrModeT2_i8pos, llvm::ARM_AM::getAM2Offset(), llvm::ARM_AM::getAM2Op(), llvm::ARM_AM::getAM3Offset(), llvm::ARM_AM::getAM3Op(), llvm::ARM_AM::getAM5Offset(), llvm::ARM_AM::getAM5Op(), llvm::MachineOperand::getImm(), llvm_unreachable, MI, llvm::ARM_AM::sub, and llvm::MCInstrDesc::TSFlags.
Referenced by isFrameOffsetLegal().
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Definition at line 479 of file ARMBaseRegisterInfo.cpp.
References llvm::ARMSubtarget::getFramePointerReg(), and llvm::MachineFunction::getSubtarget().
Referenced by llvm::ARMFrameLowering::determineCalleeSaves(), llvm::Thumb1FrameLowering::emitPrologue(), llvm::ARMFrameLowering::emitPrologue(), needsFrameBaseReg(), llvm::ARMFrameLowering::ResolveFrameIndexReference(), llvm::Thumb1FrameLowering::restoreCalleeSavedRegisters(), and llvm::Thumb1FrameLowering::spillCalleeSavedRegisters().
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Definition at line 187 of file ARMBaseRegisterInfo.cpp.
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Definition at line 250 of file ARMBaseRegisterInfo.cpp.
References llvm::TargetRegisterClass::getID(), llvm::MachineFunction::getSubtarget(), llvm::TargetRegisterClass::getSuperClasses(), and I.
Referenced by llvm::ThumbRegisterInfo::getLargestLegalSuperClass().
Definition at line 148 of file ARMBaseRegisterInfo.cpp.
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Definition at line 280 of file ARMBaseRegisterInfo.cpp.
Referenced by llvm::ThumbRegisterInfo::getPointerRegClass().
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Definition at line 330 of file ARMBaseRegisterInfo.cpp.
References llvm::TargetRegisterClass::contains(), getPairedGPR(), llvm::VirtRegMap::getPhys(), llvm::MachineRegisterInfo::getRegAllocationHint(), llvm::TargetRegisterInfo::getRegAllocationHints(), llvm::MachineRegisterInfo::getRegClass(), llvm::MachineFunction::getRegInfo(), llvm::VirtRegMap::hasPhys(), llvm::is_contained(), llvm::Register::isPhysical(), llvm::MachineRegisterInfo::isReserved(), MRI, llvm::ARMRI::RegLR, llvm::ARMRI::RegPairEven, and llvm::ARMRI::RegPairOdd.
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Definition at line 194 of file ARMBaseRegisterInfo.cpp.
References assert(), BasePtr, llvm::ARMSubtarget::getFramePointerReg(), llvm::MachineFunction::getSubtarget(), hasBasePointer(), llvm::ARMSubtarget::isR9Reserved(), SI, and llvm::BitVector::test().
Referenced by isAsmClobberable().
const uint32_t * ARMBaseRegisterInfo::getSjLjDispatchPreservedMask | ( | const MachineFunction & | MF | ) | const |
Definition at line 160 of file ARMBaseRegisterInfo.cpp.
References llvm::MachineFunction::getSubtarget(), llvm::ARMSubtarget::hasVFP2Base(), and llvm::ARMSubtarget::isThumb1Only().
const uint32_t * ARMBaseRegisterInfo::getThisReturnPreservedMask | ( | const MachineFunction & | MF, |
CallingConv::ID | CC | ||
) | const |
getThisReturnPreservedMask - Returns a call preserved mask specific to the case that 'returned' is on an i32 first argument if the calling convention is one that can (partially) model this attribute with a preserved mask (i.e.
it is a calling convention that uses the same register for the first i32 argument and an i32 return value)
Should return NULL in the case that the calling convention does not have this property
Definition at line 169 of file ARMBaseRegisterInfo.cpp.
References llvm::MachineFunction::getSubtarget(), llvm::CallingConv::GHC, and llvm::ARMSubtarget::isTargetDarwin().
const uint32_t * ARMBaseRegisterInfo::getTLSCallPreservedMask | ( | const MachineFunction & | MF | ) | const |
Definition at line 153 of file ARMBaseRegisterInfo.cpp.
References assert(), llvm::MachineFunction::getSubtarget(), and llvm::ARMSubtarget::isTargetDarwin().
bool ARMBaseRegisterInfo::hasBasePointer | ( | const MachineFunction & | MF | ) | const |
Definition at line 410 of file ARMBaseRegisterInfo.cpp.
References llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getInfo(), llvm::MachineFrameInfo::getLocalFrameSize(), llvm::MachineFrameInfo::hasVarSizedObjects(), llvm::ARMFunctionInfo::isThumb1OnlyFunction(), and llvm::ARMFunctionInfo::isThumb2Function().
Referenced by llvm::ARMFrameLowering::determineCalleeSaves(), llvm::Thumb1FrameLowering::emitPrologue(), getReservedRegs(), isInlineAsmReadOnlyReg(), and llvm::ARMFrameLowering::ResolveFrameIndexReference().
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Definition at line 230 of file ARMBaseRegisterInfo.cpp.
References getReservedRegs(), and llvm::BitVector::test().
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Definition at line 715 of file ARMBaseRegisterInfo.cpp.
References llvm::ARMII::AddrMode2, llvm::ARMII::AddrMode3, llvm::ARMII::AddrMode4, llvm::ARMII::AddrMode5, llvm::ARMII::AddrMode6, llvm::ARMII::AddrMode_i12, llvm::ARMII::AddrModeMask, llvm::ARMII::AddrModeT1_s, llvm::ARMII::AddrModeT2_i12, llvm::ARMII::AddrModeT2_i8, llvm::ARMII::AddrModeT2_i8neg, llvm::ARMII::AddrModeT2_i8pos, assert(), getFrameIndexInstrOffset(), i, llvm_unreachable, llvm::BitmaskEnumDetail::Mask(), MI, and llvm::MCInstrDesc::TSFlags.
Referenced by needsFrameBaseReg().
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Definition at line 234 of file ARMBaseRegisterInfo.cpp.
References assert(), BasePtr, llvm::ARMSubtarget::getFramePointerReg(), llvm::MachineFunction::getSubtarget(), hasBasePointer(), and llvm::BitVector::test().
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materializeFrameBaseRegister - Insert defining instruction(s) for BaseReg to be a pointer to FrameIdx at the beginning of the basic block.
Definition at line 659 of file ARMBaseRegisterInfo.cpp.
References llvm::MachineInstrBuilder::add(), llvm::MachineInstrBuilder::addFrameIndex(), llvm::MachineInstrBuilder::addImm(), llvm::ARMCC::AL, llvm::MachineBasicBlock::begin(), llvm::BuildMI(), llvm::condCodeOp(), llvm::MachineRegisterInfo::constrainRegClass(), llvm::MachineRegisterInfo::createVirtualRegister(), DL, llvm::MachineBasicBlock::end(), llvm::MachineFunction::getInfo(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getRegInfo(), llvm::MachineFunction::getSubtarget(), llvm::MipsISD::Ins, llvm::ARMFunctionInfo::isThumb1OnlyFunction(), llvm::ARMFunctionInfo::isThumbFunction(), MBB, MRI, llvm::predOps(), and TII.
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needsFrameBaseReg - Returns true if the instruction's frame index reference would be better served by a base register other than FP or SP.
Used by LocalStackFrameAllocation to determine which frame index references it should create new base registers for.
Definition at line 578 of file ARMBaseRegisterInfo.cpp.
References assert(), canRealignStack(), llvm::MachineFunction::getFrameInfo(), getFrameRegister(), llvm::MachineFunction::getInfo(), llvm::MachineFrameInfo::getLocalFrameMaxAlign(), llvm::MachineFrameInfo::getLocalFrameSize(), llvm::TargetFrameLowering::getStackAlign(), llvm::ARMFrameLowering::hasFP(), llvm::MachineFrameInfo::hasVarSizedObjects(), i, isFrameOffsetLegal(), llvm::ARMFunctionInfo::isThumb1OnlyFunction(), llvm::ARMFunctionInfo::isThumbFunction(), and MI.
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Definition at line 515 of file ARMBaseRegisterInfo.cpp.
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Code Generation virtual methods...
Definition at line 510 of file ARMBaseRegisterInfo.cpp.
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Definition at line 520 of file ARMBaseRegisterInfo.cpp.
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Definition at line 687 of file ARMBaseRegisterInfo.cpp.
References assert(), llvm::MachineFunction::getInfo(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getSubtarget(), i, llvm::ARMFunctionInfo::isThumb1OnlyFunction(), llvm::ARMFunctionInfo::isThumb2Function(), llvm::ARMFunctionInfo::isThumbFunction(), MBB, MI, llvm::rewriteARMFrameIndex(), llvm::rewriteT2FrameIndex(), and TII.
Referenced by llvm::ThumbRegisterInfo::resolveFrameIndex().
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SrcRC and DstRC will be morphed into NewRC if this returns true.
Definition at line 871 of file ARMBaseRegisterInfo.cpp.
References llvm::dbgs(), llvm::ARMFunctionInfo::getCoalescedWeight(), llvm::MachineBasicBlock::getParent(), llvm::TargetRegisterInfo::getRegClassWeight(), llvm::MachineRegisterInfo::getTargetRegisterInfo(), LLVM_DEBUG, MBB, MI, MRI, and llvm::MachineBasicBlock::size().
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Definition at line 930 of file ARMBaseRegisterInfo.cpp.
References llvm::TargetRegisterInfo::shouldRewriteCopySrc().
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Definition at line 385 of file ARMBaseRegisterInfo.cpp.
References llvm::MachineRegisterInfo::getRegAllocationHint(), llvm::MachineFunction::getRegInfo(), llvm::Register::isVirtualRegister(), MRI, llvm::ARMRI::RegPairEven, llvm::ARMRI::RegPairOdd, and llvm::MachineRegisterInfo::setRegAllocationHint().
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BasePtr - ARM physical register used as a base ptr in complex stack frames.
I.e., when we need a 3rd base, not just SP and FP, due to variable size stack objects.
Definition at line 105 of file ARMBaseRegisterInfo.h.
Referenced by canRealignStack(), getBaseRegister(), getReservedRegs(), and isInlineAsmReadOnlyReg().